Oliver h



O. H. CLOYD MANIFOLD AND PREHEATER Filed April 26 1920 IIIUI HH im Il!" 'f' Cgi liatented ct. 30, '1923.

Wine

UNITED ST'ILES' PATENTY OFFlCE.

oniv-EE E. onori), or rEoEi'a, Immers, eesrenon ro cHEsfrEE E. WALKER, or rEonra, initiateurs.`

, Application filed April QG, 192D.

'llhe invention has for one of its objects to pass lthe vapors moving toward the combustion chamber through a series of4 cham-` bers or cavities arranged in a peculiar man ner, relatively, so that said vapors and the air drawn in with them will be thoroughly intermingled to produce the best possible eX- plosive mixture.

Another object is that of interposingin the path of the incoming vapors a heated baille plate whereby the vapors are made to impinge upon the same in their travel toward the engine, thus placing the vapors in condition to produce better combustion.

Another object is that of interposing in lthe path of the incoming vapors a member uporL one side of which the vapors impinge in their travel, and upon the other side of which the heat from the exhaust manifold is made to impinge as a` preeheating agent.

The air drawn through the pipe 16 is necessarily heated and the suction must naturally draw the heat down upon-the said bottom 13 and thus not only heated air enters the carburetor for better and more quick vaporization, but the vapor when entering the shell 5 is again heated. by contact with said bottom thus providing for the saving` of fuel and quick response to the throttle and better engine performance.

In the appended drawing showing the preferred embodiment of my invention,

Figure 1 is a side elevation of my combined manifold and preheater shown in con nection with a carburetor.

Figure 2 is a plan of portions of the mani fold taken on line .22 Figure 1.

Figure 3 is an elevation of portions of the manifold in transverse section taken on line 3--3 Figure 1, and

Figure t is a transverse section of part Serial No. 376,519.

of what is shown in Figure 3 taken on line 4-4 of said Figure 1.

In the first of the figures, 1 designates a part of the engine, 2 the exhaust manifold, and 3 acarburetor.

My intake manifold comprises the usual branch conduits 4: abutting against and connecting with the combustion chamber, not shown.

5 is a shell, open at itstop, connecting the said branches 4, the latter and said shell being preferably a single casting.

6 is a conduit connected at one end with the carburetor 3 and terminating at its other end within the shell 5, there being a plate 7 forming a closure for the bottom of the shell, secured to the latter and carried by said conduit 6. This plate has an opening through it at 8, Figure 2, and cast with said plate is a boss 9 into which is screwed a pipe 10 to communicate with said opening.

11 is a housing or hood made in two por tions, adapted to be clamped together upon the exhaust manifold 2, there being an elbow 12 part of which is cast with each portion, its lower end opening into a conduit 13. This conduit terminates in a flange 14e, for convenience, to which is attached the flange 15 at one end of a pipe 16 whose other end connects with the air intake of the carn buretor 3, there being an opening in the pipe at 17 closed by a pivoted swinging plate 18.

Part of the body of the conduit 13, its bot* tom or lower wall, constitutes a closure for the top of the shell 5 and depending therefrom into the latter is a tubular extension 19 forming a pocket open at its lower end and spaced from the plate 7 and lying between the wall of the shell 5 and the terminus of the conduit 6, which terminus is spaced from 'the top of the shell 5 as already stated herein and in consequence is spaced from the bottom 13 or lower wall of said conduit 13. y

The wall of the housing 11 as shown in Figure 4 is spaced from the wall of the manifold 2, the former having a flange 2() at each end extending beyond the walls of said housing to engage said manifold for spacing the walls apart.y

The manifold made up of the parts 4, 5, 6 and 19 being closed to entrance of air, ekcept through the carburetor, draws the air and vapor through the conduit 6, causing the llO sis'

same to strike directly upon thebottom of the conduit 13, being thence deflected and drawn downward again, striking upon the plate 7, then taking an upward course through the shell 5 and out through the branches 4 to the engine.

Now, in the travel of the 'vapor in this tortuous manner, heavy particles of such substances as parafline, kerosene and the like will be castupon the surfaces ofthe tubular extension 19 andtheshe'll y5,'a'ps well as the underpsurface of the bottom 13 of the conduit 13 and upon" the plate 7 which, as collected, will nbe drained away through 'the pipe10. ,Y I v Due to the suction throu' h the'manifold, the hot air created aroundt e exhaustmanifold 2 is drawn to the vcarburetor opening through the conduit 13 and pipe 16 and in its ycourse heatsthe bottom 13 of 'the said conduit 13, upon the opposite side of'which the vapor from 'the conduit 6 impinges as already stated, and thereby the vapor is rendered a betterl explosive mixture.

It is quite'clear that since the vapor can expand into the vextension j19 and again expand therefrom into the shell 5 before ymoving into the manifold branches 4, a thorough mixture of the'air and fuel'must result.

The wall of the conduit 13 where it' closes the shell 5 is made fairly thin so ais to heat quickly .whereby the vapors contacting therewith will at once be affected. p p

Although I have Villustrated a preferred arrangement of my manifold, ychanges may be made in the construction that may be considered as coming ywithin lthe invention and the claims presented herewith.

I claim :4

1. The combination with an internal combustion engine, its carburetor and its exhaust manifold, of a closed shell, a conduit connecting the shell at opposite sides with the combustion chamber of the engine, a part enclosing part of the said exhaust manifold and extending to and upon oneof the other sides of the shell for'conveying heatther'eupon, a tubular part extending from the inner surface of the side receiving the heat and terminating at its end in spacedrelation to an opposite side, said part being also in spaced relation to the sides with which the conduits are connected, and a conduit connected with the carburetor 'andextending into the shell and into the 'open end of said tubular part' and terminatingin an open end in. 'spaced relation to the -side of the shell upon'which the heat is conveyed, the wallsV of 'said conduit Ebeing spaced from the walls of said tubularipart.

2. The combination with y'an'int'ernal combastion engine, its carburetor,'and its exhaust manifold, vof aclosed shell, conduits connected into opposite walls "of they shell and with the combustion chamberof the engine for conveying vapor thereto, a tubular part enclosing part of the said exhaust manifold and terminating upon one ot the. other walls of said shell, a tubular part Within the shell depending from the last named Wall thereof, spaced from the rst named Vwalls and terminating in an open end remote from the conduits opening there into, and a conduit connected to the earburetor extending into the shell and into the said tubular part closely adjacentto the said last named wall.

3.` The combination with an internal coni bustion engine, its carburetor and its exhaust manifold, of a closed shell, a conduit connecting the shell at opposite sides with the combustion chamber of the engine, a part enclosing part of the said exhaust inanifold and extending to and upon one of the other sides of the shell for conif'eying heat upon the latter, a tubular part extending from the inner surface of the side receiving the heat and terminating at its end in spaced relation to an opposite side, said part heine; also in spaced relation to the sides with which the conduits are connected, a conduit connected with the carburetor and extending 'into the shell and into the open end of said tubular part and terminating in an open end in spaced relation to the side ot the shell upon which the heat is conveyed. the walls of said conduit being spaced 'treni the walls of said tubular part, and a. drain pipe connected into the lower side of the shell for conveying from the latter heavy substances.

4. In combination with the coinlmsiion chamber and carburetor and exhaust mani-- fold of an internal combustion engine. an intake manifold including in its construetionat substantially its middle a closed shell with the side walls of which the branches of the manifold communicate near one end. a tubular portion extending from an end wall of the said shell nearestl the position of the said branches and terminating in an open end near the opposite end of the shell and spaced from the walls of the latter. a conduit connected with the tairburetor. extending into the shell and into the open end of the said tubular portion, and spaced from both the latter and terminatingin spaced relation to the wall from which the said tubular portion extends, a part cir-losing a part of the exhaust manifold and extending to the wall of the shell that lies opposite the opening of said conduit. and a pipe' connecting the manifold-enclosing part and the air intake side of the carburetor.

In testimony7 whereof I aiiix in v signature in presence of two witnesses.

OLIVER H. CLOYD. lVitnesses:

VINNIE V. CARLEY, L. M. THURLow. 

